Coating machine for shingles



g 9, 1932- G. J. SNYDER 1,870,426

COATING MACHINE FOR SHINGLES Filed D66. 22, 1927 5 Sheets-Sheet l N INVENTOR. 5 [fiat/15 22 der BY I I (1/ I A TTORNEY.

9, 1932- G. J. SNYDER 1,870,426

COATING MACHINE FOR SHINGLES Filed Dec. 22. 192'? 5 Sheets-Sheet 2 INVENTOR.

A TTORNE Y.

Aug. 9, 1932. G. J. SNYDER COATING MACHINE FOR SHINGLES Filed Dec. 22, 1927 5 Sheets-Sheet 5 NVN INVEN TOR.

A TTORNE Y.

Aug. 9, 1932. G. J. SNYDER 1,870,425

'COATING MACHINE FOR SHINGLEIS Filed Dec. 22, 1927 5 s t -sh t 4 INVENTOR.

' I ATTORNEY.

Aug. 9, 1932. G J. SNYDER COATING MACHINE FOR SHINGLES Filed- Dec. 22, 1927 5 Sheets-Sheet 5 INVENTOR. 6122/"! J 522 ydel."

A TTORNEY.

Patented Aug. 9, 1932 UNITED STATES PATENT OFFICE GIIiBERT J. SNYDER, OF SOUTH BEND, INI DIANA, ASSIGNOR, BY MIESNE ASSIGNMENTS,

TO THE PATENT AND LICENSING CORPORATION, OF BOSTON, MASSACHUSETTS,

CORPORATION OF MASSACHUSETTS COATING MACHINE FOR SHINGLES l Application filed December 22, 1927. Serial 1T0. 241,907.

The invention relates to coating machines for shingles, and has for its object to provide a device of this character having means whereby the shingles are gripped and carried 5 through a bath, for instance asphalt, then coated on one of their sides with a powder, for instance talcum powder or plain soap stone, and the other side of the shingle provided with a coating of grit, and which grit is finally rolled into the asphalt. The powder coating forms'means for preventing sticking of the shingles when stacked for storage or shi ment pur oses.

A? further 0 ject is to provide means whereby the shingles are passed through the bath in a substantially vertical position, or in a position other than a horizontal, wherebyas the shingles leave the bath excess coating material will drain and drip therefrom into the tank. A further object is to provide gripping and conveyor means whereby after the shingles leave the bath they assume a substantially horizontal position and pass over a rotatable brushin a transverse hopper, which brush deposits the powder on the under side of the shingle. The brush is spiral whereby it will feed additional powder from a hopper to the powder trough.

A further object is to provide a grit hopper above the conveyor and to the rear of the powder brush, and under which the shingles pass in a substantially horizontal position, and onto which shingles the grit is deposited, preferably by a roller. Also to provide a grit collecting trough below the hopper having a conveyor, which conveyor discharges excess grit to a second conveyor, and which second conveyor discharges the excess grit into the grit hopper, thereby obviating the loss of material.

A further object is to provide means whereby when the shingles reach the rear end of the machine they are automatically released and discharged onto a conveyor, and roller means in connection with said conveyor for engaging the upper sides or gritted sides of the shingles for thoroughly imbedding the grit in the coated upper side of the shingles. I

A further object is to provide a"s'hingle coatingmachine having means whereby the exposed or butt ends of the shingles are coat-- ed, thereby obviating the loss of material incident to coating portions of the shingles which are not exposed to the weather when in use.

A further object is .to provide a shingle coating machine having means whereby a plurality of shingles are simultaneously gripped while in a substantially horizontal position, moved to substantially vertical positions by means cooperating with the gripping members, passed through and from a ath in substantially vertical position, then turned to horizontal osition, coated on one side with a powdered material, conveyed in .a horizontal position and coated with it on the other side, and finally discharged a or a pressing operation on the last coated. side.

A further object is to yieldably mount the shingle grippingmembers on the conveyor shafts whereby they will partially rotate on the shaft and also move away from each other, thereby allowing the shingles to assume positions in various transverse planes, and to be, released from the grippers when the grippers are spread apart. Also to provide means whereby the grippers may be adjusted in relation to each other.

A further object is to provide diverging members in the path of the gripping elements for spreading said elements and releasing the shingles at the discharge end of the machine.

Also to provide gripper engaging members in diverging relation at the forward end of the machine andcooperating with the grippers for spreading the same for gripping shingles as they are fed thereto.

With the above and other objects in view the invention resides in the combination and arrangement of parts as hereinafter set forth,

Figure 1 is a side elevation of the .for-

ward end of the machine.

f of the machine.

Figure 2 is a side elevation of the rear end of the machine.

Figure 3 is a top plan view of the forward endof the machine.

Figure 4 is a top plan view of the rear end Figure 5 is a front elevation of the machine.

Figure 6 is a perspective view of one of the conveyor rods showing the shingle gripping members yieldably and rotatably mounted thereon. I

Figure 7 isa side elevation showing the position of the shingle as it is moved in a-horizontal or substantially horizontal position.

Figure 8 is a side elevation of a portion of the machine showing a shingle at the dis charge end and about to be dropped by the grilppers.

igure 9 is a detail perspective view of the gripping members and a shingle in position to be released.

Figure 10 is a detail perspective view of the shingle and adjacent parts above the powdering rush. r l

Figure 11 is a side elevation of a portion I of the machine, taken on line 11 11 of Figure 4, showing the rollers for handling the Referring to the drawings, the numeral 1 designates the feeding shelf on which the shingles 2 are placed, preferably with their butt ends 3 against the vertically disposed stop plate 4, and which shingles when in this position are gripped by thegripping --means hereinafter set forth, and which gripping means is carried by the endless conveyor 5. The stop plate 4 is adapted to be adjusted in relation to the vertical portion of the endless conveyor according to the depth of dip it is desired for the butt end of the shingles in the tank 6a, which is adapted to receive asphalt or other coating material, and which material is preferably maintained hot by veyor 5 comprising side chains 5a, which means of the burners 7a. The endless conchains extend over pairs of sprockets 6, 7, 8,

' 9, and 10, and in their travel are preferably uided in the channel members 11 and 12 orizontally disposed at the upper and lower sides of the machine. v

The sprocket chains 5a are connected together by means of transversely disposed rods 13, and which'rods have rockably mounted thereon the sleeves l t which carry the channeled gripping members 15, which gripping members have connected thereto at 16 the coiled'springs 17. The coiled'springs 17 have an interior diametergreater than the diameter of the rods 13, therefore it will be seen that the coiled springs, when contracted incident to rocking of the sleeves14, will not interfere with this rocking operation. The other 'endsof the coiled springs ,17 areanchored at 18 to collars 19, which collars may be adjusted towards each other for varying the tension of the springs 17, consequently the gripping action may be adjusted circumferentially on the rods 13 for accurately positioning the jaws 15 for gripping and otherpurposes. It will be noted that the springs 17 are of sufiicient stiflness to support the gripping jaws in their proper positions in relation to the rods 13, however it will also be noted that the gripping jaws 15 may move inwardly or outwardly in relation to each other to accommodate themselves to variations in shingle widths which often occur duringthe course of manufacture. The rockable movement is provided as the shingles are passed through the bath in substantially a vertical position and then tilted by mechanism cooperating with the shingles to planes approaching a horizontal, all of which structure will be more fully set forth. Rods 13 may be connected to the side chains 5a of the endless conveyor in any suitable and well known manner as there are spe cial connecting means for this purpose, enerally in the form of a special link. isposed above the endless conveyor 5 is a transversely disposed shaft 20, which shaft is provided with sprockets 21, under which the upper portions of the chains 5a extend, and which sprockets are of the idle type and form means for inclining the portions of the 'chains 5a downwardly into the asphalt tank 6 for the dipping operation as clearly shown in Figure 1. v

As the gripping members 15 move upwardly at the forward end of the machine they engage the upwardly diverging rods 22 on their outer sides, and as the gripping members continue their upper movement said rods will spread the gripping members apart against the expansive action of the springs 17 however when the gripping members reach the feeding table 1 they pass above the spreading rods 22, and are consequently released, thereby allowing the springs 17 to force the same towards each other and into "gripping engagement with opposite sides of of the sprockets 21 they slowly' move upwardly in a more or less vertical plane from the tank for a considerable distance, therefore it will be seen that the excess coating material will drip from the shingles bacr into the tank, which would not be the case if theshingles pass through the tank in a horiz ontal position.

After the dipping operation the shingle tilting operation takes place to cause the shingles to assume a more or less horizontal position as they approach the powdering brush 23 which powders their under sides, and to accomplish this result a transversely disposed rod 24 is provided, which engages the shingles, thereby tilting the same as clearly shown in Figures 1 and 7-, and said shingles are maintained in tilted position by engagement of the butt ends thereof with the screen 25, which is substantially horizontally disposed and extends for the full length of the machine, with the exception of the transverse interruption 26 which registers with the transversely disposed powder trough 27, in

which powder is conveyed by means of a spiral brush 28, which extends at one of its ends into a hopper 29. The brush 28 is rotated by the dragging ,of the shingles thereover, therefore it will be seen that the powder will be conveyed upwardly on the brush and deposited on the shingle, and at the same time on account of the brush being spiral in form additional powder will be fed into the trough, therefore it will not be necessary to provide power means forrotating the brush.

I By placing powder on the under side'sof the v shingles, said sides of the shingles will be coated, thereby obviating the stickingof the asphalt coated shingles when stacked for shipping or storage purposes. Soapstone or conventional talcum powder may be used, and it is to be understood that applicant does not limit himself to any particular material. After the powdering operation the shingles continue their rearward movement with their butt ends in engagement with the screen 25 and pass under a transversely disposed corrugated 'roller 30, which corrugated roller receives in the corrugations thereof grit or other granular material from a hopper 31 and deposits the same on the upper sticky side of the shingle. It will be noted downwardly into a transversely disposed conveyor trough 32, in which is disposed a transversely disposed conveyor screw 3, and the excess material will be conveyed transversely to one side of the machine and discharged through the pipe 34 into hopper 35 carried by the lower end of the bucket conveyor casing 36. The endless bucket conveyor 37 will pick up the material, elevate the same and discharge the excess material through the trough 38 into the hopper 31 where it will again pass through the machine to the shingles or for recirculation. It will be noted the under side of the shingle has been powdered and a grit coating, for instance cracked slate, has been applied to the upper side of the shingle, there remaining two main operations to be accomplished, and these operations involve the rolling of the upper side-of the shingle for thoroughly imbedding the grit and also the releasing of the shingle.

Extending upwardly from opposite sides of the machine are brackets 39, which are connected together by a transversely disposed rod 40, best shown in Figures 2, 8 and 9. Extending rearwardly in substantially horizontal planes and curving downwardly are diverging gripper spreading rods 41, and which rods are arranged in pairs whereby as the grippers 17 move rearwardly they will come into engagement with the outer sides of the rods 41, and at a predetermined position said rods 41 will spread the grippers apart, thereby releasing the shingles and allowing the thin ends thereof to drop downwardly onto the roller 42 carried by the shaft 43 of the sprockets 8, thereby giving the shingle a slight advance towards the plane of the endless conveyor 44 in relation to the gripping members which are now passing on an arc the same as the peripheries of the sprockets 8, consequently the roller 42 will quickly feed the released shingles rearwardly onto the conveyor 44 before the gripper rod 13 reaches a position where it will engage the shingle. Itwill be noted that the shingle has its gritted side upwardly disposed and as the conveyor feeds the shingle rearwardly it will pass under the pressure rollers 45 which will imbed the grit in the coating material and that portion of the shingle which will be exposed to view when the shingles are formed into a roof. 7

Power is obtained'from any suitable source through the medium of a belt 46 which exte'nds over a pulley 47 carried by the shaft 48 of the corrugated'roller 30. The shaft 48 is provided with a pulley 49 .over which extends a belt 50, and which belt extends forwardly and over apulley 51 carried by the shaft 52 on which is mounted the conveyor chain sprocket 6, therefore it will be seen that during the rotation of the grit feeding roller 30 the endless conveyor 5 will be operated. The conveyor worm 33 located below the roller 30 is driven by means of a belt 53 which extends over i pulley 54 on the shaft 48 and over a pulley 55 carried by the conveyor worm 33, and which conveyor worm is provided with a pulley 56 over which a rearwardly extending belt 57 extends, which belt 57 is belted by means of a pulley 58 to the shaft 43, and to the conveyor 44 by means of a belt 59 which extends over the pulley 60 carried by the shaft 43 and the pulley 61 carried by the shaft' 62 of the roller 63 of the conveyor 44, therefore it will be seen that power is supplied to the various working parts of the device. Power is supplied to the endless conveyor 37 by means of a belt 64, which extends over the pulley 65, which operates the rotatable member 66 at the upper end of the lifting conveyor, and

the belt 64 may lead to any suitable source of power.

From the above it will be seen that a coating machine is provided wherein shingles are gripped, conveyed in a position other grit into the coating material. It will also seen that a plurality of shingles may be simultaneously run through a machine and simultaneously discharged therefrom, thereby allowing the handling of a large volume v of shingles and at a minimum labor cost.

The invention having been set forth what is claimed as'new and useful is:

1. A shingle coating machine comprising a frame, an endless chain conveyor in said frame, gripping members carried by said conveyor,means for regulating the position of the gripping members on the shingles, said gripping members being adapted to grip shingles in a horizontal position and turn said shingles'to a position approachin a vertical and convey the shingles throug a bath in said last named'position, means cooperating with the shingles after they leave the bath for turning the same to a position approaching a horizontal, means for applying powder to the under sides of the shingles, means for applying a second material to the upper sides of the shingles, and means for discharging said shingles.

2. A shingle coating machine comprising means for conveying shingles through a bath in aposition other than horizontal and partially submerged, means cooperating with the shingles for moving the same to a position approaching a horizontal, means for coating the under and upper sides of the coated portions of the shingle, and means for discharging said shingles.

3. The combination with a shingle coating machine comprising a frame, a tank, an endless conveyor, means for gripping and conveying shingles through a bath in said tank in a position other than horizontal, of means cooperating with said shingles as they leave the bath for turning said shingles to posi tions approaching a horizontal, and means for coating said shingles on their upper and lower sides after the turning operation.

4. The combination with a shingle dipping machine comprising a frame, a liquid tank, an endless conveyor, shingle gripping members carried by the conveyor and adapted to grip and .conveyshingles through the tank in positions other than horizontal, means for applying granular material to the coated portions of the shingles while in positions approaching a horizontal, of means for yieldmeans, and rotatable shingle ably mounting said ripping means and r0- tatably mounting sai gripping means whereby said shingles may tilt, said means comprising gripping jaws adapted to engage opposite "shingles in varying positions with relation 'to the conveyor in passing through said coating tank' and grit and powder applying means.

6. In ashingle coating machine, a coating tank, grit applying means, powder applying means, a conveyor, and rotatab e shingle gripping means carried b said conveyor adapted to grip said shing es in substantially vetrical position in passing through said tank and in substantially horizontal position in passing said grit and powder applying means.

7-. A shingle dipping machine comprising a frame, an endless conveyor carried by sai frame, a liquid receiving tank, means whereby shingles ma be gripped by saidconveyor and chnveyed t rough the tank in a position other than a horizontal, said gripping means beingpivotally yieldably mounted, a horizontally disposed screen rearwardly of the tank, said screen cooperatin with the shingles for tilting the same agalnst their yield- .able mountings, a powder receptacle transan endless conveyor, means for conveying the butt ends of shingles through the tank in a position approaching a vertical one, of yieldable and rotatable gripping means for the 'shingles, means cooperating with the shingles for pivotally moving the same to positions approaching a horizontal, a rotatable powder depositing brush positioned to deposit powder on the under sides of the shingle, means for depositing grit on the upper sides oflthe shingle, means for releasing the shingles and means for rolling the gritted' sides of the shingle.

9. In a shingle coating machine, a coating tank, grit applying means, powder applying means, a conveyor, rotatable gripping means carried by said conveyor adapted to carry shingles through said tank in substantially vertical position, and'a screen spaced from said conveyor and extending horizontally from said tank, said screen cooperating with said gripping means to hold said shingles in substantially horizontal position while gripped by said gripping means.

10. In a shingle coating machine, shingle coating means, shingle surfacing means, and means for carrying shingles through said coating means and said surfacing means, said carrying means comprising an endless eonveyor, gripping members rotatably carried by said conveyor, sprin s yieldably positioning said gripping mem ers with relation to said conveyor, and means for tilting said gripping members against the action of said spring.

11. In a shingle coating machine, shingle coating means, shingle surfacing means, and means for gripping and carrying shingles while gripped through said coating means I and said surfacing means in various angular positions with respect to the vertical, said last named means comprisingan endless conveyor, shingle gripping means carried by said conveyor and adapted to assume varying angular positions with relation thereto, and means for varying the angular position of the gripping means with relation to the vertical.

12. In a shingle coating machine, a coating tank, grit applying means, a conveyor, shingle gripping means carried by said conveyor and adapted to assume varying angular positions with relation thereto, and means controlling the angular position of the gripping means with relation to the conveyor whereby said gripping means will hold shingles in substantially vertical position in passing through said tank and in substantially horizontal position in passing through said grit applying means.

13. In a shingle coating machine, a coating tank, grit applying means, a conveyor, shingle gripping means carried by said conveyor and adapted to assume varying angular positions with relation thereto, said gripping means holding shingles in substantially vertical position in passing through said tank, and a screen extending longitudinally of said machine from said tank and cooperating with said gripping means to hold said shingles, while gripped in substantially horizontal position in passing through said grit applying means.

14. In a shingle coating machine, shingle coating means, shingle surfacing means, a conveyor extending adjacent said coating and surfacing means, shingle gripping means ro- 65 tatably carried by said conveyor and adapted to hold the shingles while they are conveyed through said shingle coating and shingle surfacing means, and means cooperating with the shingle gripping means to change the angular position of the shingles with relation to the vertical at predetermined points in the travel of the shingles through the machine.

15. In a shingle coating machine, shingle coating means, means for conveying shingles through the coating means in a position other than horizontal, said conveying means including mechanism for gripping the shingles along the lateral edges thereof whereby shingles of different widths may be treated, and means for tilting and holding the shingles in substantially horizontal position after leaving the coating means.

16. In a shingle coating machine, shingle coating means, means for conveying shingles through the coating means in a position other than horizontal whereby excess coating material will drip therefrom, said conveying means including spring pressed mechanism for gripping the shingles along the latera edges thereof whereby shingles of different widths may be treated, andmeans for tilting and holding the shingles in a substantially horizontal position after leaving the coating means.

17. The combination with a shingle treating machine having shingle coating and surfacing means and a conveyor, of swingably supported means carried by said conveyor adapted to grippingly engage shingles along the lateral edges thereof, said last named means being automatically adjustable to grip shingles ofvarying widths. I

18. In a shingle coating machine, shingle coating means, a conveyor, and swinga-bly supported shingle gripping means carried by and cooperating with said conveyor to carry-j shingles through said coating means, said, shingle gripping means being constructed and. i

adapted to forcibly engage the shingles along" their lateral edges and means for varyingthc position of the gripping means along said 

